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Cheap flights from Billings (BIL) to Seattle (BFI)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)

How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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Cheap flights from Billings to Seattle in August , September 2026

31 Aug - 25 Sep $ 773.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIL
Billings
Pick dates
31 Aug - 18 Sep $ 781.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIL
Billings
Pick dates
31 Aug - 07 Sep $ 922.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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Last minute flights from Billings to Seattle

24 Aug - 31 Aug $ 1,234.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIL
Billings
Pick dates
21 Aug - 31 Aug $ 1,297.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIL
Billings
Pick dates
17 Aug - 31 Aug $ 1,438.00
BIL
Billings
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIL
Billings
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One-way flights to Seattle from Billings

9:57 PM - 9:25 PM
Air Excursions
3 Stops
25h 18m
BIL - BFI
$ 432
Kiwi
Pick dates
8:58 PM - 9:25 PM
Air Excursions
3 Stops
26h 17m
BIL - BFI
$ 516
Kiwi
Pick dates
10:00 AM - 9:25 PM
Air Excursions
2 Stops
13h 15m
BIL - BFI
$ 720
Kiwi
Pick dates

How to find the cheapest flight from Billings (BIL) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.